Don't be lured into getting one of everything. Remember these tips.
- Look for late-blooming perennials. “Plants such as Mexican bush sage are at their peaks and are often on sale,” John says. Combine them with other seasonal flowers in containers now, and then transfer them into the garden for years of enjoyment.
- Buy big. Begin with mature plants. If they’re flowering, look for ones loaded with buds. “There is no extra time for growing,” John advises. “Go for the gusto--plant it to look good right now.